# SDR UALA2012091305163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2012
- Submitted: September 14, 2012
- Operation: Air carrier
- Aircraft: [N225UA](https://openairdocs.org/aircraft/N225UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30554
- Aircraft time: 44,488 hours, 5,408 cycles
- Engine: Pwa PW40903
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Module
- Part number: S243W0011401
- Part serial: 129
- Condition: Faulty
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012091305163

## Discrepancy

BOTH UPPER AND LOWER EICAS SCREENS MOMENTARILY BLINK OFF.  ACCOMPLISHED TEST OF LEFT AIMS M1010 FAULT CODE 31- 81057 PRESENT.  SUSPECT CPM-GG.  REPLACED LEFT AMIS M010 CPM-GG REF AMM.  OPS CHECKS NORMAL.

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